Update to current production version supporting excalidraw.com (loaded on Heroku)

.gcloudignore

@@ -1,5 +0,0 @@
-# Exclude compiled .js files
-*.js
-
-# Exclude dependencies
-node_modules/

.gitignore

@@ -1,3 +1,107 @@
-*.js
-node_modules
-yarn-error.log
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# Next.js build output
+.next
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and *not* Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+.DS_Store
+dist

README.md

@@ -1,32 +1,2 @@
-# excalidraw-room
-
-## Requirements
-
-- [Node.js](https://nodejs.org/en/)
-- [Google Cloud SDK](https://cloud.google.com/sdk/?hl=en_US)
-
-## Install
-
-```
-yarn
-```
-
-## Build
-
-```
-yarn build
-```
-
-## Run
-
-```
-yarn start
-```
-
-## Deploy
-
-Make sure you have access to the [`excalidraw-room`](https://console.cloud.google.com/home/dashboard?project=excalidraw-room) project.
-
-```
-yarn deploy
-```
+# collab-server
+Excalidraw collaboration server

app.yaml

@@ -1,2 +0,0 @@
-runtime: nodejs
-env: flex

package.json

@@ -1,40 +1,68 @@
 {
-  "dependencies": {
-    "@types/express": "4.17.3",
-    "@types/node": "13.9.0",
-    "@types/socket.io": "2.1.4",
-    "express": "4.17.1",
-    "socket.io": "2.3.0",
-    "typescript": "3.8.3"
-  },
-  "devDependencies": {
-    "husky": "4.2.3",
-    "lint-staged": "10.0.8",
-    "prettier": "1.19.1"
+  "name": "collab-server",
+  "version": "1.0.0",
+  "description": "Excalidraw collaboration server",
+  "main": "index.js",
+  "scripts": {
+    "build": "tsc",
+    "postinstall": "npm run build",
+    "start": "node dist/index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
   },
-  "husky": {
-    "hooks": {
-      "pre-commit": "lint-staged"
-    }
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/idlewinn/collab-server.git"
   },
+  "keywords": [],
+  "author": "",
   "license": "MIT",
-  "lint-staged": {
-    "*.{ts,md,json,yaml,yml}": [
-      "prettier --write"
-    ]
+  "bugs": {
+    "url": "https://github.com/idlewinn/collab-server/issues"
   },
-  "main": "index.js",
-  "name": "excalidraw-room",
-  "scripts": {
-    "build": "yarn gcp-build",
-    "deploy": "gcloud app deploy --project=excalidraw-room",
-    "fix": "yarn prettier --write",
-    "gcp-build": "tsc -p .",
-    "prepare": "yarn gcp-build",
-    "pretest": "yarn gcp-build",
-    "prettier": "prettier \"**/*.{ts,md,json,yaml,yml}\"",
-    "start": "node ./index.js",
-    "test": "yarn prettier --list-different"
+  "homepage": "https://github.com/idlewinn/collab-server#readme",
+  "dependencies": {
+    "@types/socket.io": "^2.1.4",
+    "eslint": "6.8.0",
+    "eslint-config-prettier": "6.10.0",
+    "eslint-plugin-prettier": "3.1.2",
+    "express": "^4.17.1",
+    "prettier": "1.19.1",
+    "socket.io": "^2.3.0"
   },
-  "version": "1.0.0"
+  "devDependencies": {
+    "@types/express": "^4.17.3",
+    "@types/node": "^13.9.0",
+    "typescript": "^3.8.3"
+  },
+  "eslintConfig": {
+    "extends": [
+      "prettier"
+    ],
+    "plugins": [
+      "prettier"
+    ],
+    "rules": {
+      "curly": "warn",
+      "no-console": [
+        "warn",
+        {
+          "allow": [
+            "warn",
+            "error",
+            "info"
+          ]
+        }
+      ],
+      "no-else-return": "warn",
+      "no-useless-return": "warn",
+      "prefer-const": [
+        "warn",
+        {
+          "destructuring": "all"
+        }
+      ],
+      "prefer-template": "warn",
+      "prettier/prettier": "warn"
+    }
+  }
 }

index.ts → src/index.ts

@@ -1,15 +1,9 @@
-// source: https://github.com/idlewinn/collab-server/blob/master/src/index.ts
-
 import express from "express";
-import http from "http";
+import http, { ServerResponse } from "http";
 import socketIO from "socket.io";
 
 const app = express();
-const port = process.env.PORT || 8080;
-
-app.get("/", (req, res) => {
-  res.send("Hi, excalidraw-room!");
-});
+const port = process.env.PORT || 80; // default port to listen
 
 const server = http.createServer(app);
 
@@ -46,13 +40,10 @@ io.on("connection", socket => {
     );
   });
 
-  socket.on(
-    "server-broadcast",
-    (roomID: string, encryptedData: ArrayBuffer, iv: Uint8Array) => {
-      console.log(`${socket.id} sends update to ${roomID}`);
-      socket.broadcast.to(roomID).emit("client-broadcast", encryptedData, iv);
-    }
-  );
+  socket.on("server-broadcast", (roomID: string, encryptedData: ArrayBuffer, iv: Uint8Array) => {
+    console.log(`${socket.id} sends update to ${roomID}`);
+    socket.broadcast.to(roomID).emit("client-broadcast", encryptedData, iv);
+  });
 
   socket.on("disconnecting", () => {
     const rooms = io.sockets.adapter.rooms;

tsconfig.json

@@ -1,8 +1,16 @@
 {
-  "compilerOptions": {
-    "target": "es5",
-    "esModuleInterop": true,
-    "module": "CommonJS"
-  },
-  "include": ["*.ts"]
-}
+    "compilerOptions": {
+      "target": "es5",
+      "lib": ["dom", "dom.iterable", "esnext"],
+      "allowJs": true,
+      "skipLibCheck": true,
+      "esModuleInterop": true,
+      "allowSyntheticDefaultImports": true,
+      "strict": true,
+      "forceConsistentCasingInFileNames": true,
+      "moduleResolution": "node",
+      "resolveJsonModule": true,
+      "isolatedModules": true,
+      "outDir": "dist"
+    }
+  }